The Body Part Sphenoid Bone is identified by letter "C" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0N8C
Division of Sphenoid Bone, Open Approach
Division of Sphenoid Bone, Percutaneous Endoscopic Approach
Division of Sphenoid Bone, Percutaneous Approach